What is the mixture of foam concentrate and water before air is introduced?

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Multiple Choice

What is the mixture of foam concentrate and water before air is introduced?

Explanation:
The mixture before air is introduced is the foam solution. This is the diluted liquid formed when foam concentrate is metered into water at the proper ratio, producing the ready-to-pump liquid that will later be aerated to create foam. The concentrate itself is the raw chemical, while a foam proportioner is the device that mixes water and concentrate, and AFFF refers to a type of foam concentrate, not the mixture itself.

The mixture before air is introduced is the foam solution. This is the diluted liquid formed when foam concentrate is metered into water at the proper ratio, producing the ready-to-pump liquid that will later be aerated to create foam. The concentrate itself is the raw chemical, while a foam proportioner is the device that mixes water and concentrate, and AFFF refers to a type of foam concentrate, not the mixture itself.

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